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Subject [GitHub] [spark] vanzin commented on a change in pull request #25620: [SPARK-25341][Core] Support rolling back a shuffle map stage and re-generate the shuffle files
Date Wed, 04 Sep 2019 19:13:21 GMT
vanzin commented on a change in pull request #25620: [SPARK-25341][Core] Support rolling back
a shuffle map stage and re-generate the shuffle files
URL: https://github.com/apache/spark/pull/25620#discussion_r320914327
 
 

 ##########
 File path: core/src/main/scala/org/apache/spark/internal/config/package.scala
 ##########
 @@ -1047,6 +1047,14 @@ package object config {
       .checkValue(v => v > 0, "The value should be a positive integer.")
       .createWithDefault(2000)
 
+  private[spark] val SHUFFLE_USE_OLD_FETCH_PROTOCOL =
+    ConfigBuilder("spark.shuffle.useOldFetchProtocol")
+      .doc("Whether to use the old protocol while doing the shuffle block fetching. " +
+        "It is only enabled while we need the compatibility in the scenario of new spark
" +
 
 Review comment:
   Spark

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